L-Glutamine is a non-essential amino acid. That is, our body is capable of synthesizing it although, in certain situations, the body may need more and be dependent on the nutritional contribution L-Glutamine becomes part of various proteins, which are essential for our body: they become part of the muscles or are part of the immune system.Our L-Glutamine is found in free form, just like in our body.We use Kyowa brand Glutamine, a brand that combines quality and innovation in its manufacturing processes. How to use: Take 5 g of L-Glutamine dissolved in 100 ml of water during breakfast and another 5 g after training. This intake is recommended for people weighing 80 kg (increase according to body proportion) * A flush measuring scoop corresponds to 5 g